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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG799648087

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799648087

Diamond specifications and retailer prices

From $495 USD
As of October 29, 2026
Save $3,785 USD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,280 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799648087 or 799648087. Listed at 23 retailers as of October 29, 2026, with prices from $495 to $4,280, a $3,785 spread on the same certified stone. Brilliant Earth lists it at $4,280. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648087
Dimensions8.15 × 8.02 × 4.84 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.15 mm8.02 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648087
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,280 USD|Low: $495 USD|High: $4,280 USD|Avg: $1,534 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 6$495 USD
Retailer 19$554 USD
Retailer 16$575 USD
Retailer 10$614 USD
Retailer 14$664 USD
Retailer 17$755 USD
Retailer 8$862 USD
Retailer 21$955 USD
Retailer 2$1,018 USD
Retailer 13$1,019 USD
Retailer 15$1,055 USD
Retailer 4$1,428 USD
Retailer 5$1,523 USD
Retailer 11$1,615 USD
Retailer 9$2,000 USD
Retailer 7$2,111 USD
Retailer 3$2,152 USD
Retailer 20$2,197 USD
Retailer 18$2,565 USD
Retailer 12$3,485 USD
Brilliant Earth$4,280 USD

24 data points across 21 retailers

23 retailers$495 USD to $4,280 USD

A+
Cheapest Retailer
-
$495 USD
A
Retailer 2
-
$554 USD
View
A
Retailer 3
-
$575 USD
View
Final sale: no returns
A
Retailer 4
-
$614 USD
View
Retailer 5
-
$664 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$755 USD
View
A
Retailer 7
-
$862 USD
View
A
Retailer 8
-
$955 USD
View
A
Retailer 9
-
$1,018 USD
£802 GBP
View
A
Retailer 10
-
$1,019 USD
€970 EUR
View
A
Retailer 11
-
$1,055 USD
ZAR 17,043 ZAR
View
B+
Retailer 12
-
$1,428 USD
View
B+
Retailer 13
-
$1,523 USD
View
B+
Retailer 14
-
$1,615 USD
View
Retailer 15
-
$1,817 USD
View
Price last confirmed 43 days ago
B+
Retailer 16
-
$2,000 USD
View
B+
Retailer 17
-
$2,111 USD
SGD 2,853 SGD
View
B+
Retailer 18
-
$2,152 USD
View
B+
Retailer 19
-
$2,197 USD
View
B+
Retailer 20
-
$2,332 USD
View
B+
Retailer 21
-
$2,565 USD
£2,020 GBP
View
B
Retailer 22
-
$3,485 USD
View
Most Expensive
B
Brilliant Earth
21420138A · Oct 29
$4,280 USD
View
22 more retailers have this diamond
Prices start from $495 USDSave up to $3,785 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A+
1.91ct Round
$495 USD